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BOSTON MARATHON 2025

Eileen Ying

Bib: 16249•X

PA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 49%
Gender (Other)
#0 / 71
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:54
Rank: #11030
Start → 5K
22:54 | 7:22/mi
10K· 6.21 mi
45:35
Rank: #10629 (+401)
5K → 10K
22:41 | 7:18/mi
15K· 9.32 mi
1:09:05
Rank: #11166 (-537)
10K → 15K
23:30 | 7:34/mi
20K· 12.43 mi
1:32:40
Rank: #11278 (-112)
15K → 20K
23:35 | 7:35/mi
Half· 13.11 mi
1:37:49
Rank: #11322 (-44)
20K → Half
5:09 | 7:33/mi
25K· 15.53 mi
1:57:10
Rank: #11688 (-366)
Half → 25K
19:21 | 7:59/mi
30K· 18.64 mi
2:24:15
Rank: #12577 (-889)
25K → 30K
27:05 | 8:43/mi
20M
2:36:52
Rank: #13071 (-494)
30K → 20M
12:37 | 9:17/mi
21M
2:46:28
Rank: #13296 (-225)
20M → 21M
9:36 | 9:36/mi
35K· 21.75 mi
2:53:04
Rank: #13453 (-157)
21M → 35K
6:36 | 8:49/mi
23M
3:04:21
Rank: #13625 (-172)
35K → 23M
11:17 | 9:01/mi
24M
3:13:06
Rank: #13760 (-135)
23M → 24M
8:45 | 8:45/mi
40K· 24.85 mi
3:20:44
Rank: #13850 (-90)
24M → 40K
7:38 | 8:56/mi
25.2M
3:24:20
Rank: #13950 (-100)
40K → 25.2M
3:36 | 10:26/mi
Finish· 26.22 mi
3:33:01
Rank: #14024 (-74)
25.2M → Finish
8:41 | 8:31/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:49
Pace7:28 /mi
2nd Half
Distance13.11 mi
Time1:55:12
Pace8:47 /mi
📊Positive Split: 17.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:3822:547:2222:54
7:22
-
10K
6.21 mi11:37:1945:357:2022:41
7:18
-0:04
15K
9.32 mi12:00:491:09:057:2523:30
7:34
+0:16
20K
12.43 mi12:24:241:32:407:2723:35
7:35
+0:01
Half
13.11 mi12:29:331:37:497:285:09
7:33
-0:02
25K
15.53 mi12:48:541:57:107:3319:21
7:59
+0:26
30K
18.64 mi13:15:592:24:157:4427:05
8:43
+0:44
20M
20.00 mi13:28:362:36:527:5112:37
9:17
+0:34
21M
21.00 mi13:38:122:46:287:569:36
9:36
+0:19
35K
21.75 mi13:44:482:53:047:576:36
8:49
-0:47
23M
23.00 mi13:56:053:04:218:0111:17
9:01
+0:12
24M
24.00 mi14:04:503:13:068:038:45
8:45
-0:16
40K
24.85 mi14:12:283:20:448:057:38
8:56
+0:11
25.2M
25.20 mi14:16:043:24:208:073:36
10:26
+1:30
Finish
26.22 mi14:24:453:33:018:088:41
8:31
-1:55

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:18 /mi

Average Pace

8:08 /mi

Slowest Pace

10:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:10

55% of race

Time at Steady Pace

1:10:02

33% of race

Time at Slower Pace

25:49

12% of race

Average Pace: 8:07 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:14:3822:547:2222:54
7:22
#11030
10K
6.21 mi11:37:1945:357:2022:41
7:18
#10629
15K
9.32 mi12:00:491:09:057:2523:30
7:34
#11166
20K
12.43 mi12:24:241:32:407:2723:35
7:35
#11278
Half
13.11 mi12:29:331:37:497:285:09
7:33
#11322
25K
15.53 mi12:48:541:57:107:3319:21
7:59
#11688
30K
18.64 mi13:15:592:24:157:4427:05
8:43
#12577
20M
20.00 mi13:28:362:36:527:5112:37
9:17
#13071
21M
21.00 mi13:38:122:46:287:569:36
9:36
#13296
35K
21.75 mi13:44:482:53:047:576:36
8:49
#13453
23M
23.00 mi13:56:053:04:218:0111:17
9:01
#13625
24M
24.00 mi14:04:503:13:068:038:45
8:45
#13760
40K
24.85 mi14:12:283:20:448:057:38
8:56
#13850
25.2M
25.20 mi14:16:043:24:208:073:36
10:26
#13950
Finish
26.22 mi14:24:453:33:018:088:41
8:31
#14024
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallXAge DivSeg. OverallSeg. XSeg. Age Div
5K3.11 mi3.11 mi11030272712270(Top 43%)35(Top 49%)35
10K6.21 mi3.10 mi10629+40129-229-210334(Top 36%)31(Top 44%)31
15K9.32 mi3.11 mi11166-53731-231-212270(Top 43%)35(Top 49%)35
20K12.43 mi3.11 mi11278-11232-132-111491(Top 40%)31(Top 44%)31
Half13.11 mi0.68 mi11322-44323212042(Top 42%)36(Top 51%)36
25K15.53 mi2.42 mi11688-366323213706(Top 48%)41(Top 58%)41
30K18.64 mi3.11 mi12577-88933-133-116083(Top 57%)44(Top 62%)44
20M20.00 mi1.36 mi13071-49436-336-318196(Top 64%)49(Top 69%)49
21M21.00 mi1.00 mi13296-22538-238-216506(Top 58%)47(Top 66%)47
35K21.75 mi0.75 mi13453-15739-139-117318(Top 61%)44(Top 62%)44
23M23.00 mi1.25 mi13625-172393916296(Top 57%)43(Top 61%)43
24M24.00 mi1.00 mi13760-135393915977(Top 56%)39(Top 55%)39
40K24.85 mi0.85 mi13850-9040-140-115854(Top 56%)41(Top 58%)41
25.2M25.20 mi0.35 mi13950-10041-141-118692(Top 66%)51(Top 72%)51
Finish26.22 mi1.02 mi14024-74414116305(Top 57%)43(Top 61%)43

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21stories
+97ft-345ft

Overall

12270

X

35

Age Div

35

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

10334

X

31

Age Div

31

10K→15K

6.2 - 9.3 mi

Top 43%
×3stories
+67ft-78ft

Overall

12270

X

35

Age Div

35

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

11491

X

31

Age Div

31

20K→Half

12.4 - 13.1 mi

Top 42%
×2stories
+19ft-37ft

Overall

12042

X

36

Age Div

36

Half→25K

13.1 - 15.5 mi

Top 48%
×4stories
+66ft-88ft

Overall

13706

X

41

Age Div

41

25K→30K

15.5 - 18.6 mi

Top 57%
×9stories
+181ft-148ft

Overall

16083

X

44

Age Div

44

30K→20M

18.6 - 20.0 mi

Top 64%
×5stories
+64ft-50ft

Overall

18196

X

49

Age Div

49

20M→21M

20.0 - 21.0 mi

Top 58%
×8stories
+106ft-24ft

Overall

16506

X

47

Age Div

47

21M→35K

21.0 - 21.8 mi

Top 61%
×7stories
+17ft-86ft

Overall

17318

X

44

Age Div

44

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

16296

X

43

Age Div

43

23M→24M

23.0 - 24.0 mi

Top 56%
×6stories
+12ft-82ft

Overall

15977

X

39

Age Div

39

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

15854

X

41

Age Div

41

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

18692

X

51

Age Div

51

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2stories
+22ft-21ft

Overall

16305

X

43

Age Div

43

Passing Analysis

Category:
Athletes Passed
1248
Passed By
4242
Net Change
-2994
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11030
5K → 10K512111+401#11030#10629
10K → 15K61598-537#10629#11166
15K → 20K141253-112#11166#11278
20K → Half2266-44#11278#11322
Half → 25K80446-366#11322#11688
25K → 30K80969-889#11688#12577
30K → 20M44538-494#12577#13071
20M → 21M40265-225#13071#13296
21M → 35K29186-157#13296#13453
35K → 23M68240-172#13453#13625
23M → 24M51186-135#13625#13760
24M → 40K55145-90#13760#13850
40K → 25.2M12112-100#13850#13950
25.2M → Finish53127-74#13950#14024
TOTALS12484242-2994
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing